SplitView: bugfix animating split items
SplitView: bugfix animating split items

Only assign a new width/height to a splitter item when
needed (that is, the value was clamped). Otherwise we just
end up breaking bindings and animations without a good reason.

Change-Id: Ic33007713f6450d52c9f5bd958fca74095413638
Reviewed-by: Jens Bache-Wiig <9cea9d70b08f8210134ec5959114f72bad51ed1d@digia.com>

mizukusak/qtquickcontrols,kobolabs/qtquickcontrols,mizukusak/qtquickcontrols,mizukusak/qtquickcontrols,drgvond/qtquickcontrols,kobolabs/qtquickcontrols,drgvond/qtquickcontrols,drgvond/qtquickcontrols,kobolabs/qtquickcontrols